Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.042411E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-10T22:45:15+0800
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    1 Object 1

    AOE ID 39537
    NORAD ID 39537
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 69390
    NORAD ID 69390
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB QIANFAN-173
    Time of Closest Approach 2026-10-11T00:25:28+0000
    Collision Probability (Pc) 1.042411E-6
    Conjunction Distance (km) 2.951 km
    Relative Speed (km/s) 9.195 km/s
    Conjunction Risk Parameters R (Radial): 1.671 | I (In-track): 1.899 | C (Cross-track): -1.52
    Collision Risk Index (CRI) 0.35
    X Position (km) 1242.64 1240.828
    Position Y (km) -89.704 -90.919
    Position Z (km) 7331.379 7333.365
    Velocity X (km/s) -2.688 -7.103
    Velocity Y (km/s) -6.734 1.283
    Velocity Z (km/s) 0.335 1.215

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB QIANFAN-173
    Semimajor Axis (a) 7322.962 km 7446.664 km
    Eccentricity (e) 0.017294 0.000192
    Inclination (i) 99.1723° 89.0046°
    RAAN 66.4545° 350.0038°
    Perigee Argument 253.8216° 114.6198°
    Mean Anomaly (M) 104.3847° 245.5153°
    Apogee 1071.467 km 1069.959 km
    Perigee 818.183 km 1067.095 km
    Orbit Epoch 2026-10-09T15:03:41+0000 2026-10-10T06:15:11+0000

    FENGYUN 1C DEB & QIANFAN-173 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & QIANFAN-173 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & QIANFAN-173 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & QIANFAN-173 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-173Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-173Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data